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BIO370lecture3 - Lecture3 Summary The Evidence for...

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Lecture 3 Summary: The Evidence for Evolution 1. Direct observation 2. Fossil record 3. Homology 4. Vestigial organs 5. Convergence 6. Suboptimal design 7. Geographic distribution
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Summary: The Evidence for Evolution 1. Direct Observation 2. Fossil record 3. Homology 4. Vestigial organs 5. Convergence 6. Suboptimal design 7. Geographic distribution
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Summary: The Evidence for Evolution 1. Direct observation 2. Fossil record 3. Homology 4. Vestigial organs 5. Convergence 6. Suboptimal design 7. Geographic distribution
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Summary: The Evidence for Evolution 1. Direct observation 2. Fossil record 3. Homology 4. Vestigial organs 5. Convergence 6. Suboptimal design 7. Geographic distribution
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Summary: The Evidence for Evolution 1. Direct observation 2. Fossil record 3. Homology 4. Vestigial organs 5. Convergence 6. Suboptimal design 7. Geographic distribution
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Summary: The Evidence for Evolution 1. Direct observation 2. Fossil record 3. Homology 4. Vestigial organs 5. Convergence 6. Suboptimal design 7. Geographic distribution
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Summary: The Evidence for Evolution 1. Direct observation 2. Fossil record 3. Homology 4. Vestigial organs 5. Convergence 6. Suboptimal design 7. Geographic distribution
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Summary: The Evidence for Evolution 1. Direct observation 2. Fossil record 3. Homology 4. Vestigial organs 5. Convergence 6. Suboptimal design 7. Geographic distribution
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The Origin of Species “The book that shook the world” “One long argument for evolution” 20 years in the making http://darwin-online.org.uk/
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Afred Russel Wallace (1823-1913) 1859 – Wallace sent letter to Darwin describing HIS theory of evolution Naturalist & collector Explored Amazon/South Pacific Independently developed notion of Natural Selection and species change
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Chapter 1:  Variation under domestication Domestic species are variable This variability is “heritable” Small changes accumulate to make big differences Breeders have made changes > than differences between species
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Chapter 2: Variation in nature Things are the same way in nature Population vs. typological approach Variation is a natural state Variation makes taxonomy difficult
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The struggle for existence & the tendency for population to increase
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